M24128X-FCU6SLASHTF datasheet(31/35 Pages) STMICROELECTRONICS

31 / 35 page

Contents

Description ........................................................................2

Signal description .................................................................4

2.1

Serial Clock (SCL).............................................................. 4

2.2

Serial Data (SDA) .............................................................. 4

2.3

VSS (ground) .................................................................. 4

2.4

Supply voltage (VCC) ........................................................... 4

2.4.1

Operating supply voltage (VCC) ............................................. 4

2.4.2

Power-up conditions ...................................................... 4

2.4.3

Device reset ............................................................ 4

2.4.4

Power-down conditions .................................................... 4

Memory organization ..............................................................5

Features...........................................................................6

4.1

Chip enable register ............................................................ 6

4.2

Configurable device address ..................................................... 6

4.3

Software Write Protect .......................................................... 6

Device operation ..................................................................7

5.1

Start condition ................................................................. 8

5.2

Stop condition ................................................................. 8

5.3

Data input..................................................................... 8

5.4

Acknowledge bit (ACK).......................................................... 8

5.5

Device addressing.............................................................. 8

Instructions .......................................................................9

6.1

Write operations on memory array ................................................ 9

6.1.1

Byte write ............................................................. 10

6.1.2

Page write............................................................. 11

6.1.3

Minimizing write delays by polling on ACK .................................... 12

6.2

Write operations on chip enable register .......................................... 13

6.3

Read operations on memory array ............................................... 14

6.3.1

Random address read.................................................... 15

M24128X-FCU

Contents

DS12680 - Rev 2

page 31/35

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